Fig. 1
Left panel: distribution of stars according to the number of peaks in their envelope. The mean number of peaks of the envelope (blue dashed line) is similar to the estimate made by Lignières & Georgeot (2009) for a δ Scuti star model rotating at a rate of 0.59 ΩK (purple dash-dotted line). Right panel: distribution of stars according to the number of peaks and the energy of their envelope.
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